package com.gujia.concurrency;

import com.gujia.concurrency.example.threadlocal.RequestHolder;
import lombok.extern.slf4j.Slf4j;
import lombok.extern.slf4j.XSlf4j;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.Optional;

@Slf4j
public class HttpFilter implements Filter{
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest)servletRequest;
        System.out.println("do filter"+Thread.currentThread().getId()+","+request.getServletPath());
        RequestHolder.setId(Thread.currentThread().getId());

        filterChain.doFilter(servletRequest,servletResponse);
    }

    @Override
    public void destroy() {

    }
}
